Introduction to Population Genetics
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Genetics is usually regarded as a discipline dealing with how offspring resemble their parents, in other words how, with the individual as the unit of study, genes are transmitted from parents to offspring. In contrast, “population genetics” is slightly different, has the population rather than the individual as its object of study, and investigates the laws that control how its genetic structure is formed or changes. Of course, it is now one branch of genetics in the broad sense.